反应详情

To a solution of 6-(2-ethylamino-4-methoxyphenyl)-5,6,7,8-tetrahydronaphthalen-2-ol (500 mg) in tetrahydrofuran (15 ml) was added 60% sodium hydride (75 mg) under a nitrogen atmosphere, the solution was stirred for 30 minutes at room temperature, then 2,2-dimethyl-1-(2-thioxothiazolidin-3-yl)propan-1-one (380 mg) was added thereto on an ice bath followed by stirring for 25 minutes. A saturated aqueous solution of ammonium chloride was added thereto, the solution was stirred, extracted with ethyl acetate, then sequentially washed with water and brine, dried over anhydrous magnesium sulfate, and then the solvent was evaporated in vacuo. The residue was purified by silica gel column chromatography (hexane-ethyl acetate system) to provide the title compound (640 mg).

1. customon an ice bath followed
2. stirringby stirring for 25 minutes
3. stirringthe solution was stirred
4. extractionextracted with ethyl acetate
5. washsequentially washed with water and brine
6. dry with materialdried over anhydrous magnesium sulfate
7. customthe solvent was evaporated in vacuo
8. customThe residue was purified by silica gel column chromatography (hexane-ethyl acetate system)